Effect of various discriminative stimuli on choice behavior in male siamese fighting fish (Betta splendens)

B. B. Craft, A. D. Szalda-Petree, J. L. Brinegar, N. F. Haddad

Research output: Contribution to journalArticlepeer-review

Abstract

The current experiment was an exploratory study empirically comparing three discrimination methodologies proposed for use in choice preparations with food rewards. Subjects were thirty-five, healthy, adult male Siamese fighting fish (Betta splendens). Subjects were randomly assigned to one of three discrimination groups: a Direction group (using left or right as discriminative stimuli), a Color group (using red or green as discriminative stimuli), and a Bubble group (using the presence or absence of air bubbles as discriminative stimuli). For all three discrimination groups, subjects chose between one or three food pellets in a submerged T-maze. The results from the experiment indicated a statistically significant preference for the three pellets of food over one pellet of food only for the Bubble group. Of particular note is the effect size and observed power obtained for the Bubble group, which was the only group which supported a reasonably powerful test for discrimination, given a sample size of 12 subjects and 0.94 effect size.

Original languageEnglish
Pages (from-to)575-580
Number of pages6
JournalPerceptual and Motor Skills
Volume104
Issue number2
DOIs
StatePublished - Apr 2007

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